Home / 1,939,160.66-2,910,069.59-676,988.28

Finding the Fourth Proportional to 1,939,160.66, 2,910,069.59 and 676,988.28

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Solution

The fourth proportional to 1,939,160.66, 2,910,069.59 and 676,988.28 is: 1,015,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,160.66 : 2,910,069.59 = 676,988.28 : x
  2. Step 2: Convert to fraction form
    1,939,160.66/2,910,069.59 = 676,988.28/x
  3. Step 3: Cross multiply
    1,939,160.66x = 2,910,069.59 × 676,988.28
  4. Step 4: Simplify right side
    1,939,160.66x = 1,970,083,003,029.46
  5. Step 5: Solve for x
    x = 1,970,083,003,029.46/1,939,160.66
  6. Step 6: Final answer
    x = 1,015,946.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.